Data cable, 7 STP - Type 4700

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Construction characteristics

Shielded twisted pair: 0.50 mm² bare copper conductor insulated with PE.
2 conductors twisted together with a tinned copper
drain wire and aluminium/polyester foil (7 each)
Shield: Aluminium/polyester foil and tinned copper drain wire, coverage 100%
Outer jacket: Polyurethane jacket. Colour blue

 

Mechanical characteristics

Diameter: 12.70 mm ±0.30 mm
Weight in air: 205 kg/km nom
Weight in seawater: 115 kg/km nom
Min. bending radius, static: 120 mm
Min. bending radius, dynamic: 150 mm
Depth rating: 3,000 m

 

Electrical characteristics

Operating voltage: 600 V
Test voltage: 3,000 V DC for 1 min
Conductor resistance: ≤ 41.0 Ω/km
Insulation resistance: ≥ 500 MΩ×km (cond. - cond.)
≥ 100 MΩ×km (cond. - shield)
≥ 10 MΩ×km (shield - shield)
Capacitance: 100 pF/m
Impedance: 57 ±5 Ω at 1-10 MHz
Attenuation: 7.0 dB/100 m at 1 MHz
18.0 dB/100 m at 10 MHz


Cable is halogen free according to IEC 60754